# Scrapy settings for lianjia_index project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     https://docs.scrapy.org/en/latest/topics/settings.html
#     https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#     https://docs.scrapy.org/en/latest/topics/spider-middleware.html

BOT_NAME = 'lianjia_index'

SPIDER_MODULES = ['lianjia_index.spiders']
NEWSPIDER_MODULE = 'lianjia_index.spiders'


# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'lianjia_index (+http://www.yourdomain.com)'
ROBOTSTXT_OBEY = False
# Obey robots.txt rules
#=========================MySQL配置=======================

MYSQL_HOST = 'localhost'
MYSQL_PASSWORD = '123456'
MYSQL_USER = 'root'
MYSQL_DATABASE = 'test1'
MYSQL_PORT = 3306
MYSQL_MAX_CONNECTIONS = 10
MYSQL_MIN_CACHED = 3
MYSQL_MAX_CACHED = 6
MYSQL_BLOCKING = True
MYSQL_MAX_SHARED = 3
#================================Redis设置===============================================
ITEM_PIPELINES = {
   'lianjia_index.pipelines.MysqlExePipeline': 301,
'scrapy.spidermiddlewares.offsite.OffsiteMiddleware': None,
}
DOWNLOADER_MIDDLEWARES = {
   'scrapy.downloadermiddlewares.retry.RetryMiddleware': 200,
   'lianjia_index.middlewares.RandomUADownloaderMiddleware': 543
   # 'lianjia_index.middlewares.ProxyMiddleware': 555
}
SCHEDULER = "lianjia_index.Details_Scheduler.Scheduler"
DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"
REDIS_HOST = '127.0.0.1'
REDIS_PORT = 6379
SCHEDULER_PERSIST = True
PARENT_PROJECT_NAME = "index"  # 父项目的名称
#====================代理池===========================
PROXY_URL = 'http://localhost:5555/random'

#=======================延迟下载============================
# CONCURRENT_REQUESTS = 8
# DOWNLOAD_DELAY = 1
# Configure maximum concurrent requests performed by Scrapy (default: 16)
#CONCURRENT_REQUESTS = 32

# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
#DOWNLOAD_DELAY = 3
# The download delay setting will honor only one of:
#CONCURRENT_REQUESTS_PER_DOMAIN = 16
#CONCURRENT_REQUESTS_PER_IP = 16

# Disable cookies (enabled by default)
#COOKIES_ENABLED = False

# Disable Telnet Console (enabled by default)
#TELNETCONSOLE_ENABLED = False

# Override the default request headers:
#DEFAULT_REQUEST_HEADERS = {
#   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
#   'Accept-Language': 'en',
#}

# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
#    'lianjia_index.middlewares.LianjiaDetailsSpiderMiddleware': 543,
#}

# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#DOWNLOADER_MIDDLEWARES = {
#    'lianjia_index.middlewares.LianjiaDetailsDownloaderMiddleware': 543,
#}

# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
#EXTENSIONS = {
#    'scrapy.extensions.telnet.TelnetConsole': None,
#}

# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
#ITEM_PIPELINES = {
#    'lianjia_index.pipelines.LianjiaDetailsPipeline': 300,
#}

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
#AUTOTHROTTLE_ENABLED = True
# The initial download delay
#AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
#AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
#AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
#AUTOTHROTTLE_DEBUG = False

# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
#HTTPCACHE_ENABLED = True
#HTTPCACHE_EXPIRATION_SECS = 0
#HTTPCACHE_DIR = 'httpcache'
#HTTPCACHE_IGNORE_HTTP_CODES = []
#HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'
